antiarrhythmic medication vs antiarrhythmic

antiarrhythmic medication and antiarrhythmic both are nouns.

Word	Noun	Adjective	Verb	Adverb
antiarrhythmic medication	Yes	No	No	No
antiarrhythmic	Yes	No	No	No

As nouns, antiarrhythmic medication and antiarrhythmic are synonyms defined as:

antiarrhythmic medication and antiarrhythmic: a drug used to treat an abnormal heart rhythm

Other synonyms of antiarrhythmic medication include antiarrhythmic drug.

antiarrhythmic medication (noun)	antiarrhythmic (noun)
a drug used to treat an abnormal heart rhythm	a drug used to treat an abnormal heart rhythm